Question

compound noun of look

Answer 1

Look over
look after
look into 

Answer 2

Words can be combined to form compound nouns. These are very common, and new combinations are invented almost daily. They normally have two parts. The second partidentifies the object or person in question (man, friend, tank, table, room). The first parttells us what kind of object or person it is, or what its purpose is (police, boy, water, dining, bed): 

loopup